Chair



FIG. 1 is a front perspective view of a chair showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view, the left side view being the same;

FIG. 5 is a plan view thereof; and

FIG. 6 is a bottom view. 

The ornamental design for a chair, as shown and described. 